The Housing,bearing Unit, cataloged under National Stock Number 3130-01-122-0552, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-122-0552 |
| Primary Part Number | A6901-15 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Housing Height | 0.8900 INCHES NOMINAL IN |
| Style Designator | PILLOW BLOCK, SOLID |
| Mounting Hole Diameter | 0.1440 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 1.2500 INCHES NOMINAL IN |
| Housing Width | 1.7200 INCHES NOMINAL IN |
| Base Length | 0.5600 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Base Thickness | 0.1900 INCHES NOMINAL IN |
| Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Housing Length | 0.4400 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 0.3900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A6901-15 PRIMARY | Grimes Aerospace Company (USA) |
NSN 3130-01-122-0552 is a Housing,bearing Unit, manufactured by Grimes Aerospace Company, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-122-0552 has 1 manufacturer part number on file: A6901-15 (Grimes Aerospace Company).
Key specifications for A6901-15: Housing Height: 0.8900 INCHES NOMINAL IN; Style Designator: PILLOW BLOCK, SOLID; Mounting Hole Diameter: 0.1440 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes Along Width: 1.2500 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3130-01-122-0552 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.